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xfs: move the per-fork nextents fields into struct xfs_ifork

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There are there are three extents counters per inode, one for each of
the forks.  Two are in the legacy icdinode and one is directly in
struct xfs_inode.  Switch to a single counter in the xfs_ifork structure
where it uses up padding at the end of the structure.  This simplifies
various bits of code that just wants the number of extents counter and
can now directly dereference it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Christoph Hellwig
2020-05-18 10:27:22 -07:00
committed by Darrick J. Wong
parent b2c20045b6
commit daf83964a3
24 changed files with 132 additions and 162 deletions
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fs/xfs/xfs_icache.c
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@@ -63,7 +63,6 @@ xfs_inode_alloc(
memset(&ip->i_imap, 0, sizeof(struct xfs_imap));
ip->i_afp = NULL;
ip->i_cowfp = NULL;
ip->i_cnextents = 0;
ip->i_cformat = XFS_DINODE_FMT_EXTENTS;
memset(&ip->i_df, 0, sizeof(ip->i_df));
ip->i_flags = 0;